diff options
Diffstat (limited to 'drivers/tty/vt/keyboard.c')
| -rw-r--r-- | drivers/tty/vt/keyboard.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index 1e93a37e27f0..0f8caae4267d 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -567,7 +567,7 @@ static void fn_scroll_forw(struct vc_data *vc) static void fn_scroll_back(struct vc_data *vc) { - scrollback(vc, 0); + scrollback(vc); } static void fn_show_mem(struct vc_data *vc) @@ -1733,16 +1733,10 @@ int vt_do_diacrit(unsigned int cmd, void __user *udp, int perm) return -EINVAL; if (ct) { - buf = kmalloc(ct * sizeof(struct kbdiacruc), - GFP_KERNEL); - if (buf == NULL) - return -ENOMEM; - - if (copy_from_user(buf, a->kbdiacruc, - ct * sizeof(struct kbdiacruc))) { - kfree(buf); - return -EFAULT; - } + buf = memdup_user(a->kbdiacruc, + ct * sizeof(struct kbdiacruc)); + if (IS_ERR(buf)) + return PTR_ERR(buf); } spin_lock_irqsave(&kbd_event_lock, flags); if (ct) |